CDS Actor service-provider implemntation

https://wiki.onap.org/display/DW/CDS+actor+support+in+Policy

Issue-ID: POLICY-1763
Signed-off-by: Rashmi Pujar <rashmi.pujar@bell.ca>
Change-Id: Idcb6e9168b949745cc644e97ba77c479573a8bf5

1 files changed, 237 insertions, 0 deletions

diff --git a/models-interactions/model-actors/actor.cds/src/test/java/org/onap/policy/controlloop/actor/cds/CdsActorServiceProviderTest.java b/models-interactions/model-actors/actor.cds/src/test/java/org/onap/policy/controlloop/actor/cds/CdsActorServiceProviderTest.java
new file mode 100644
index 000000000..65fd60239
--- /dev/null
+++ b/models-interactions/model-actors/actor.cds/src/test/java/org/onap/policy/controlloop/actor/cds/CdsActorServiceProviderTest.java
@@ -0,0 +1,237 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2019 Bell Canada. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.controlloop.actor.cds;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyLong;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import com.google.common.collect.ImmutableMap;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Optional;
+import java.util.UUID;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.onap.ccsdk.cds.controllerblueprints.common.api.ActionIdentifiers;
+import org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader;
+import org.onap.ccsdk.cds.controllerblueprints.common.api.EventType;
+import org.onap.ccsdk.cds.controllerblueprints.common.api.Status;
+import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput;
+import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput;
+import org.onap.policy.cds.client.CdsProcessorGrpcClient;
+import org.onap.policy.cds.properties.CdsServerProperties;
+import org.onap.policy.controlloop.ControlLoopOperation;
+import org.onap.policy.controlloop.VirtualControlLoopEvent;
+import org.onap.policy.controlloop.actor.cds.CdsActorServiceProvider.CdsActorServiceManager;
+import org.onap.policy.controlloop.actor.cds.constants.CdsActorConstants;
+import org.onap.policy.controlloop.policy.Policy;
+
+@RunWith(MockitoJUnitRunner.class)
+public class CdsActorServiceProviderTest {
+
+    private static final String CDS_BLUEPRINT_NAME = "vfw-cds";
+    private static final String CDS_BLUEPRINT_VERSION = "1.0.0";
+    private static final UUID REQUEST_ID = UUID.randomUUID();
+    private static final String SUBREQUEST_ID = "123456";
+
+    @Rule
+    public ExpectedException exceptionRule = ExpectedException.none();
+    @Mock
+    private CdsProcessorGrpcClient cdsClient;
+    private CdsActorServiceProvider cdsActor;
+    private Policy policy;
+    private CdsServerProperties cdsProps;
+    private Map<String, String> aaiParams;
+    private VirtualControlLoopEvent onset;
+    private ControlLoopOperation operation;
+
+    /**
+     * Test setup.
+     */
+    @Before
+    public void setup() {
+        // Setup policy
+        policy = new Policy();
+        Map<String, String> payloadMap = new HashMap<String, String>() {
+            {
+                put(CdsActorConstants.KEY_CBA_NAME, CDS_BLUEPRINT_NAME);
+                put(CdsActorConstants.KEY_CBA_VERSION, CDS_BLUEPRINT_VERSION);
+                put("data", "{\"mapInfo\":{\"key\":\"val\"},\"arrayInfo\":[\"one\",\"two\"],\"paramInfo\":\"val\"}");
+            }
+        };
+        policy.setPayload(payloadMap);
+        policy.setRecipe("CDS");
+
+        // Setup the CDS properties
+        cdsProps = new CdsServerProperties();
+        cdsProps.setHost("10.10.10.10");
+        cdsProps.setPort(2000);
+        cdsProps.setUsername("testUser");
+        cdsProps.setPassword("testPassword");
+        cdsProps.setTimeout(1);
+
+        // Setup aaiParams
+        aaiParams = ImmutableMap.of("service-instance-id", "1234", "generic-vnf-id", "5678");
+
+        // Setup cdsClient
+        when(cdsClient.sendRequest(any(ExecutionServiceInput.class))).thenReturn(mock(CountDownLatch.class));
+
+        // Setup the cdsActor
+        cdsActor = new CdsActorServiceProvider();
+
+        // Setup onset event
+        onset = new VirtualControlLoopEvent();
+        onset.setRequestId(REQUEST_ID);
+
+        // Setup controlloop operation object
+        operation = new ControlLoopOperation();
+        operation.setSubRequestId(SUBREQUEST_ID);
+    }
+
+    @Test
+    public void testActor() {
+        assertEquals(cdsActor.actor(), CdsActorConstants.CDS_ACTOR);
+    }
+
+    @Test
+    public void testConstructRequest() {
+        policy.setPayload(new HashMap<>());
+        Optional<ExecutionServiceInput> cdsRequestOpt = cdsActor
+            .constructRequest(onset, operation, policy, aaiParams);
+
+        assertFalse(cdsRequestOpt.isPresent());
+    }
+
+    @Test
+    public void testConstructRequestWhenMissingCdsParamsInPolicyPayload() {
+        Optional<ExecutionServiceInput> cdsRequestOpt = cdsActor
+            .constructRequest(onset, operation, policy, aaiParams);
+
+        assertTrue(cdsRequestOpt.isPresent());
+        final ExecutionServiceInput cdsRequest = cdsRequestOpt.get();
+
+        assertTrue(cdsRequest.hasCommonHeader());
+        CommonHeader commonHeader = cdsRequest.getCommonHeader();
+        assertEquals(commonHeader.getRequestId(), REQUEST_ID.toString());
+        assertEquals(commonHeader.getSubRequestId(), SUBREQUEST_ID);
+
+        assertTrue(cdsRequest.hasPayload());
+
+        assertTrue(cdsRequest.hasActionIdentifiers());
+        ActionIdentifiers actionIdentifiers = cdsRequest.getActionIdentifiers();
+        assertEquals(actionIdentifiers.getActionName(), CdsActorConstants.CDS_ACTOR);
+        assertEquals(actionIdentifiers.getBlueprintName(), CDS_BLUEPRINT_NAME);
+        assertEquals(actionIdentifiers.getBlueprintVersion(), CDS_BLUEPRINT_VERSION);
+    }
+
+    @Test
+    public void testRecipePayloads() {
+        assertEquals(cdsActor.recipePayloads("").size(), 0);
+    }
+
+    @Test
+    public void testRecipes() {
+        assertEquals(cdsActor.recipes().size(), 0);
+    }
+
+    @Test
+    public void testRecipeTargets() {
+        assertEquals(cdsActor.recipeTargets("").size(), 0);
+    }
+
+    @Test
+    public void testSendRequestToCdsSuccess() {
+        sendRequestToCds();
+        verify(cdsClient).sendRequest(any(ExecutionServiceInput.class));
+    }
+
+    @Test
+    public void testSendRequestToCdsLatchInterrupted() throws InterruptedException {
+        // Reset cdsClient
+        CountDownLatch countDownLatch = mock(CountDownLatch.class);
+        doThrow(new InterruptedException("Test latch interrupted failure")).when(countDownLatch)
+            .await(anyLong(), any(TimeUnit.class));
+        when(cdsClient.sendRequest(any(ExecutionServiceInput.class))).thenReturn(countDownLatch);
+
+        CdsActorServiceProvider.CdsActorServiceManager cdsActorSvcMgr = cdsActor.new CdsActorServiceManager();
+        String response = cdsActorSvcMgr
+            .sendRequestToCds(cdsClient, cdsProps, ExecutionServiceInput.newBuilder().build());
+        assertTrue(Thread.interrupted());
+        assertEquals(response, CdsActorConstants.INTERRUPTED);
+    }
+
+    @Test
+    public void testSendRequestToCdsLatchTimedOut() {
+        CdsActorServiceProvider.CdsActorServiceManager cdsActorSvcMgr = cdsActor.new CdsActorServiceManager();
+        String response = cdsActorSvcMgr
+            .sendRequestToCds(cdsClient, cdsProps, ExecutionServiceInput.newBuilder().build());
+        assertEquals(response, CdsActorConstants.TIMED_OUT);
+    }
+
+    @Test
+    public void testOnMessage() throws InterruptedException {
+        ExecutionServiceOutput message = ExecutionServiceOutput.newBuilder()
+            .setStatus(Status.newBuilder().setEventType(EventType.EVENT_COMPONENT_FAILURE).build()).build();
+
+        // Test "no timeout" scenarios
+        CountDownLatch latch = mock(CountDownLatch.class);
+        when(latch.await(anyLong(), any(TimeUnit.class))).thenReturn(true);
+        when(cdsClient.sendRequest(any(ExecutionServiceInput.class))).thenReturn(latch);
+
+        CdsActorServiceManager cdsActorSvcMgr = sendRequestToCds();
+
+        // #1: Failure test
+        cdsActorSvcMgr.onMessage(message);
+        assertEquals(cdsActorSvcMgr.getCdsResponse(), CdsActorConstants.FAILED);
+
+        // #2: Success test
+        cdsActorSvcMgr = sendRequestToCds();
+        message = ExecutionServiceOutput.newBuilder()
+            .setStatus(Status.newBuilder().setEventType(EventType.EVENT_COMPONENT_EXECUTED).build()).build();
+        cdsActorSvcMgr.onMessage(message);
+        assertEquals(cdsActorSvcMgr.getCdsResponse(), CdsActorConstants.SUCCESS);
+
+        // #3: Processing test
+        cdsActorSvcMgr = sendRequestToCds();
+        message = ExecutionServiceOutput.newBuilder()
+            .setStatus(Status.newBuilder().setEventType(EventType.EVENT_COMPONENT_PROCESSING).build()).build();
+        cdsActorSvcMgr.onMessage(message);
+        assertEquals(cdsActorSvcMgr.getCdsResponse(), CdsActorConstants.PROCESSING);
+    }
+
+    private CdsActorServiceManager sendRequestToCds() {
+        CdsActorServiceManager cdsActorSvcMgr = cdsActor.new CdsActorServiceManager();
+        cdsActorSvcMgr.sendRequestToCds(cdsClient, cdsProps, ExecutionServiceInput.newBuilder().build());
+        return cdsActorSvcMgr;
+    }
+}